Memory Systems

Confidence: Tier 1 (native stack, well-documented tools) / Tier 2 (newer tools, vendor benchmarks) / Tier 3 (emerging patterns, unverified claims)

Last updated: May 2026 (star counts verified 2026-07-27 via GitHub API)

Related: Context Engineering | Architecture | Settings Reference | Agent Teams

Memory in Claude Code has no single canonical source. It spans native CC features, MCP servers, hooks, and coordination protocols. This page consolidates everything.

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本篇目录

• Table of Contents
• 1. TL;DR: Three-Track Model
• 2. Native Claude Code Memory Stack
• 3. Cross-Session Tools (Single User)
• 4. Team Sharing
• 5. Multi-Agent Shared Memory
• 6. Architecture Patterns
• 7. Risks and Security
• 8. Decision Frameworks
• 9. Benchmarks and Evaluation
• 10. Open Problems